netd_integration_test - assertBpfContext - make test failure easier to debug am: 5319414621

Original change: https://android-review.googlesource.com/c/platform/system/netd/+/2317169

Change-Id: If6cf183365e7e7acae81c284bc2e48c9a8df7efd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>